Zodiac Jandy RSP4 AquaLink RS 4 Control System RS-P4 Remote Control of Your Entire System - Immediately control all pool or spa equipment with a single touch. Manage your pool and spa temperatures, jets, cleaner, lights, heater, and more from anywhere. Equipment Protection - Sophisticated sensors ensures automatic freeze protection. Heater cool down and system lockout modes keep valuable equipment running smoothly, protecting your investment. Automatic Monitoring and Scheduling - Allows you to custom program to suit your lifestyle. Monitors status of equipment functions, keeping your pool and spa sparkling clean and ready to use. Scheduled activation will maximize energy savings. Automated Filtration - Keep your pool and spa sparkling clean and ready to use. Automatic and efficient filtration cycles allow you more time to relax. Water Feature Control - Set your water features to perform at your command. With one touch, your backyard will come alive with relaxing sounds.